#include<stdio.h>

int main()
{
    printf("%c \n",120);
    printf("%c \n",'x');

    int i=0;
    for(i=32;i<=127;i++)
    {
        printf("%c ",i);

    }

    printf("\n");

    printf("%s \n","abcdefg");
    //字符串末尾隐藏一个‘\0’作为结束标志符。

    char arr1[] = "abcdefg";
    char arr2[] = {'a','b','c','d','e','f','g'};
    char arr3[] = {'a','b','c','d','e','f','g','\0'};
    printf("%s \n",arr1);
    printf("%s \n",arr2);
    printf("%s \n",arr3);



    return 0;
}